In the balanced three-phase power measurement using two wattmeter method, each wattmeter reads 10 kW, when the pf is unity. What does each wattmeter read when the pf falls to (i) 0.866 lag and (ii) 0.573 lag. The total three-phase power remains unchanged. (i) W1 at 0.866 lag (i) W2 at 0.866 lag (ii) W1 at 0.573 lag (ii) W2 at 0.573 lag

In the balanced three-phase power measurement using two wattmeter method, each wattmeter reads 10 kW, when the pf is unity. What does each wattmeter read when the pf falls to (i) 0.866 lag and (ii) 0.573 lag. The total three-phase power remains unchanged. (i) W1 at 0.866 lag (i) W2 at 0.866 lag (ii) W1 at 0.573 lag (ii) W2 at 0.573 lag

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter3: Power Transformers

Section: Chapter Questions

Problem 3.28P: For the system shown in Figure 3.34. draw an impedance diagram in per unit by choosing 100 kVA to be...

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